伊犁马泌乳曲线的拟合研究
摘要
为探索伊犁马泌乳特性、构建伊犁马产奶量及乳成分变化规律的模型,本实验以新疆伊犁州昭苏马场核心群的15匹泌乳期、年龄、胎次相近的伊犁马为研究对象,利用Wood模型对伊犁马泌乳期30～120 d的105条泌乳记录进行拟合,预测其日产奶量及乳成分随泌乳天数的变化规律。结果表明:Wood模型对产奶量的拟合度为0.85,乳成分拟合度在0.75～0.95;乳蛋白产量的泌乳曲线拟合度最高为0.95,乳糖率泌乳曲线拟合度最低为0.75;15匹伊犁马全泌乳期平均日奶产量为9.20 kg,产奶高峰日出现在第55天,日产奶量为14.37kg/d,预测120d泌乳期的产奶量为1053kg。通过使用Wood模型对产奶量及乳成分进行拟合,拟合度较为理想,可作为预测伊犁马产奶量及乳成分变化的模型之一,为乳用马的培育提供数据参考。
引文
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[2]El-Salam M H A.Fermented milks|middle eastern fermented milks[J].Ency of Dairy Sci,2011,2:503-506.
[3]Mazhitova A T,Kulmyrzaev A A,Ozbekova Z E,et al.Amino acid and fatty acid profile of the mare's milk produced on suusamyr pastures of the kyrgyz republic during lactation period[J].Procedia Soc Behav Sci,2015,2:2683-2688.
[4]翟光超,贺银凤.酸马奶酒中产抑菌物质菌株的培养基优化及抑菌物质的纯化[J].食品工业,2014(8):11-14.
[5]熊本海,马毅,罗清尧,等.中国荷斯坦奶牛第三泌乳期泌乳曲线模型的研究[J].中国农业科学,2011(2):402-408.
[6]Pollott G E.A biological approach to lactation curve analysis for milk yield[J].J Dairy Sci,2000,83(11):2448-2458.
[7]Greppi G F,Roncada P,Fortin R,et al.Protein components of goat's milk[J].Nature,2008,4838:286-287.
[8]Torshizi M E,Aslamenejad A A,Nassiri M R,et al.Analysis of test day milk yield by random regression models and evaluation of persistency in Iranian dairy cows[J].Iran J Anim Sci,2013,1:67-76.
[9]Centoducati P,Maggiolino A,De P P,et al.Application of Wood's model to lactation curve of Italian Heavy Draft horse mares[J].J Dairy Sci,2012,95(10):5770-5775.
[10]Santos A S,Silvestre A M.A study of Lusitano mare lactation curve with Wood's model[J].J Dairy Sci,2008,91(2):760-766.
[11]Gibbs P G,Potter G D,Blake R W,et al.Milk production of quarter horse mares during 150 days of lactation[J].J Anim Sci,1982,54(3):496-499.
[12]高程程.新疆伊犁马泌乳规律及泌乳产量影响因素的研究[D].乌鲁木齐:新疆农业大学,2016:30-34.
[13]Doreau M,Martin-Rosset W.Animals that produce dairy foods horse[J].Ency of Dairy Sci,2011,3:358-364.
[14]Uniacke-Lowe T,Huppertz T,Fox P F.Equine milk proteins:Chemistry,structure and nutritional significance[J].Int Dairy J2010,9:609-629.
[15]Kücükcetin A,Yaygin H,Hinrichs J,et al.Adaptation of bovine milk towards mares’milk composition by means of membrane technology for koumiss manufacture[J].Int Dairy J,2003,12:945-951.
[16]Caroprese M,Albenzio M,Marino R,et al.Behavior,milk yield,and milk composition of machine-and hand-milked Murgese mares[J].J Dairy Sci,2007,90(6):2773-2777.